ANTENNA X23210XL1Q

PERFORMANCES:

No of ele

L (mm)

G (dBi)

F/B (dB)

F/Sh (dBi)

F/Sv (dBi)

Hor (◦)

Ver (◦)

Temp (◦K)

G/T (dB)

Tlos

(K)

32

9845

18.10

42.13

26.31

16.81

25.8

21.5

2176.2

-5.25

4.5

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR

at 145.000 MHz

Lowest

Highest

Bandwidth

141.400

146.400

5.000

197.7

1.11:1

 

DIMENSIONS:

 

Ref

De

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D14

Pos

0

355

529

934

1432

1732

2276

3012

3746

4518

5302

6068

6828

7598

8380

9182

9845

Length

1008

792

927

923

905

879

897

895

886

878

868

866

864

862

862

862

838

Height

0

245

180

330

440

510

570

650

725

785

805

825

825

835

835

795

755

Dimensions given in milimetres - Diameter of elements 10 milimetres - No boom correction included.

 

CONSTRUCTION OF RADIATOR

H = 792

V = 230

= 10 mm

 

 

COMPARISON (inserted in a part of VE7BQH table, where it belongs according to its boom length)

TYPE OF

ANTENNA

SINGLE ANTENA

FOUR ANTENNAS IN H-STACK

L

(λ)   

GAIN

(dBd)

Z

(ohms)

VSWR

Bandwidth

E

(m)

H

(m)

Ga

(dBd)

Tlos

(K)

Ta

(K)

G/T

(dB)

RA3AQ-14

4.61

14.71

50.0

1.19:1

4.27

4.07

20.55

5.0

219.1

-0.71

G4CQM 16

4.64

14.55

50.9

1.78:1

4.39

4.18

20.47

8.8

234.6

-1.08

YU7EF 15M

4.68

14.59

48.6

1.03:1

4.21

4.00

20.40

7.0

221.7

-0.89

DK7ZB 14

4.73

14.92

26.9

1.50:1

4.59

4.39

20.87

6.8

233.0

-0.65

X23210XL1Q

4.73

15.95

197.7

1.11:1

5.80

5.90

22.05

4.5

211.8

+0.94

DG7YBN 16

4.74

14.79

46.6

1.18:1

4.45

4.60

20.79

6.1

222.4

-0.53

G0KSC 15LFA

4.75

14.72

49.9

1.17:1

4.60

4.45

20.72

5.9

215.0

-0.45

InnoV 15 LFA

4.76

14.73

49.0

1.17:1

4.60

4.45

20.74

6.6

215.4

-0.44

K1FO 18

4.78

14.37

199.9

1.32:1

4.36

4.16

20.62

2.8

228.6

-0.82

InnoV 15 OWL

4.78

14.79

52.2

1.32:1

4.36

4.15

20.66

7.6

217.9

-0.57

M2 28 XPOL

4.81

15.18

200.1

5.19:1

4.83

4.83

21.14

13.9

243.1

-0.57

DJ9BV 4.8

4.82

14.63

49.7

1.29:1

4.40

4.19

20.48

6.6

242.8

-1.22

Z(ohms) - measured on 144.100 MHz

Bandwidth VSWR measured on 145.000 MHz

 

 

DIAGRAMS (no loss included)

 

SWR DIAGRAMS (loss included for Al)

 

BEST DISTANCES FOR STACK

 

Four antennas in H-stack

Horizontal

distance (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

G/T

(dB)

Tlos

(K)

Remark

4695

5.603

24.06

211.8

+0.80

4.5

Per DL6WU formula

5900

5900

24.19

211.0

+0.95

4.5

For max G/T

5900

5900

24.19

211.0

+0.95

4.5

For lowest temperature

Four antennas in H-stack, H=5.90  V=5.90 metres

 

 

 

 

Eight antennas in stack (four in horizontal and two in vertical plane)

Horizontal

distance (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

G/T

(dB)

Tlos

(K)

5900

5900

27.22

210.7

+3.98

4.5

 

 

Eight antennas in stack (two in horizontal and four in vertical plane)

Horizontal

distance (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

G/T

(dB)

Tlos

(K)

5900

5900

27.21

209.2

+4.0

4.5